读一读，根据课文内容完成对话。

Sam: Hi Daming! How are you?

Daming:    1    .   2    . I'm very    3     because I'm going to America.

Sam: That's    4    , Daming.

Daming: I want to take a    5     for my cousin. What do you    6    ?

Sam: What    7     chopsticks?

Daming: He has got them.

Sam: _   8     don't you    9     him a kite?

Daming:    10    .

关于通气/血流比值，错误的是（）

A.血流量>通气量为肺内分流

B.肺泡通气量>血流量为无效腔增加

C.肺内动、静脉短路为真性分流

D.A、B、C三种情况均可导致低氧

E.对A、B、C三种情况均可通过增力